Means for paraffining closures or caps for paper receptacles.



J. T. BOND.

MEANS FORPARAFFINING GLOSURES OR OAPEI'FOR PAPER REGBPTAOLES.

APPLICATION FILED FEB.17, 1911.

- w tomma J. T. BOND. MEANS FOR PARAFFINING CLOSURES 0R GAPS FOR PAPERREOEPTAGLES.

APPLICATION FILED FERN, 1911.

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JOSEPH T. BOND, OF SPENCERVILLE, MARYLAND, ASSIGNOR TO PURITY PAPERBOTTLE CORPORATION, OF WASHINGTON, DISTRICT OF COLUMBIA.

MEANS FOR PARAFFINING CLOSURES OB CAPS FOR PAPER- RECEPTACLES.

To all whom it may concern.

Be it known that I, JOSEPH T. Bonn, a citizen of the United'States,residing at Spencerville, in the county of Montgomery and State ofMaryland, have invented certain new and useful Improvements in'Means forParaffining Closures or Caps for Paper Receptacles; and I do herebydeclare the following to be a full, clear, and exact description of theinvention, such as will enable others skilled in the art to which itappertains to make and use the same.

This invention relates primarily to packing or storage vessels or paperreceptacles, such as shown in patent of the United States, numbered935,918, bearing date of October 5th, 1909, in which the ends of thevessel or receptacle are made of a paper closure or cap which isconnected to the body and the cover respectively by an interlockedliquid proof crimped joint.

The invention has especial reference to means for treating such closuresor caps with parafiin to render them impervious to liquid and facilitatethe crimping of the flange of the closure and make a lock-joint with aportion of the body and the cover of the receptacle respectively.

The invention has for its object economy in the treatment of theclosures, and consists in certain improvements which will be fullydisclosed in the following specification and claims. I

In the accompanying drawings, which form a part of thisspecification:-Figure 1 is an elevation partly in section showing thedevice with one side of the conveyer inclosing member removed. Fig. 2 isa top plan view of the same. Fig. 3 is an enlarged detail of the meansfor ejecting an excess of closures from the conveyer. Fig. 4 is a planview of part of the upper end of the device, showing means fordisplacing caps from the conveyer. Fig. 5 a plan view of a closure on anenlarged scale, and, Fig. 6 a transverse section of the same.

Reference being had to the drawings and the designating charactersthereon, the numeral 1 indicates a vat for parail'in or the like, ispreferably rectangular in form. is provided with an inclineddrain-extension 2, for returning any excess of paraffin ad-Speclfication of Letters Patent.

Application filed February 17, 1911.

Patented Feb. 18, 1913. Serial No. 609,164.

hering to or carried by the closures, and 3 are coils of pipe forheating the paraffin by steam or other heating medium.

4 is a hollow elongated member or casin whose lower end extends into thevat, ane l to the ends of the sides 5, 6, of said member is attached aperforated metallic guard 6, within which the closures travel and whoselower side extends out beyond the inner end of the vat and over thedrain-extension 2, to admit hot paraffin to the caps or closures 7 whichare immersed therein consecutively by an endless conveyer 8, providedwith carriers 9, preferably of resilient material, such as spring steeland concavo convex in form to engage and carry the closures 7 throughthe'paraflin and to the upper or discharge end of the casing. Thecarriers 9 extend throughout the entire length of the conveyer, as isusual in endless conveyors, but part of the carriers have been omittedfrom the drawings, as their function is well known.

The conveyer is preferably of conventional link-belt form, and ismounted on a drum or pulley 10 at its lower end, between the sides 5, 6of the member 4, and on a like. drum or pulley 11 at its upper end,provided with a shaft 12 and driving pulley 13, supported in a suitablebracket 14.

In the sides 5, 6 are openings 15, within. the ran e of the vat 1 andthe drain-extension 2 or allowing lateral discharge of the liquidparatlin displaced by the closures 7 as they are drawn through the vatby the conveyor 8 and the carriers 9, and to produce circulation of theparatlin.

16 is a supply passage for closures conducted thereto from a cap orclosure forming press, not shown, preferably by a blast of-air, and inone. of the sides is an opening 17 and an ejector 18 for throwing out ofthe channel between the sides 5, (3 any excess of closures, or morethancompare with the carriers 9, to prevent crushing the extra closures andchoking the machine. as the closures travel around the lower end of themember at between the couveyer h. and the guard 6. V

I 15) is an inclined seat on which ejected closures fall and from whichthey are discharged by gravity.

' 20 indicates a track consisting of a pipe ably supplied with a heatingmedium, such as steam, over which the'closures 6 engaged by the carriers9 travel and are dried thereon before they are'discharged from theconveyer. Y I

21 is a like track on which the empty conveyer-travels and is heatedthereby to prevent chilling of the parafiin 1n the vat.

22 indicates an ejector for discharging dried closures from theconveyer, and consists of a spring or resilient member secured at oneend to the side 5 of the member l, extends upward, is bent at 23, whereit crosses the path of the conveyer, and as the closures engage theincline 24, they are defiected and fall out of the conveyer, preferintoa conduit, not shown, for conveying them to a suitable storage place foruse in making receptacles. The bent part 23, is pushed laterally by thecarriers 9, to allow them to pass and automatlcally resumes its normalosition in time to eject the next consecutive closure, on the conveyer.

The shaft supporting bracket 14 is secured to a bar 25 supported on theside 5 and is held in position by cleats 26, 26, to slide on the side,and is adjusted by a wedge 27, to take up slack in the conveyer 8 andkee it taut on the pulleys 10 and 11.

team or other heating medium is supplied to the coil 3, the pipes 20 and21, through laterally extending branch 28 and constant circulationthereof is maintained.

The device constructed as shown and described operates automatically,the supply of closures being delivered from the capping press and thedischarge is made into a suitable conduit without the assistance of anattendant- It is obvious that changes may be made in details of.construction without departingl from the spirit of the invention.

to the conveyer, a perforated aving thus fully described my invenwhat Iclaim is-- tents of the vat, a conveyer within the casing and adapted totravel through the vat, flights or carriers secured to the conveyer,

and a perforated guard at the lower end .of the conveyer and within thevat.

v 2.- In "'adevice of the class described, a cas'in a vat, means withinthe vat for heating t e contents thereof, an endless conveyer within thecasing and adapted to travel through the vat, flights or carrierssecured ard at the lower endof the conveyer an within the vat, means foradmitting caps to the conveyer within the range of the vat, and meansfor discharging caps; 3. In a device of the class'described, a casing, avat, means for heating the contents of the hollow member withm the rangeI casing,

of the vat, an endless conveyer within the casing, resilient flights orcarriers secured to the conveyer and adapted to travel through the vat,means for admitting caps to the conveyer, means within the casin fordrying the caps, and a discharge for ried caps.

4. In a device of the class described, a casing, a vat, means forheating the contents of the vat, a conveyer within the casing andadaplted to travel through the vat, means for for admitting caps to theconveyer, means within the casing for drying the caps, and means fordischarging the caps laterally from the conveyer.

5. In a device of the class described, a casing, a vat, means forheating the contents of the vat, a conveyer within the casing, a guardwithin the vat, a drain extension to the .vat, means for admitting capsto the conveyer, means for ejecting an excess of caps from the conveyerbefore entering the ,vat, means for drying the caps, and a discharge forcaps.

6, In a device of the class described, a vat, a hollow membercommunicating with said vat, a conveyer in said member, a perforatedguard at the lower end ofthe cones in the walls of the vat, means fordrying the caps within said member, and a discharge for caps.

7. In a device of the class described, a vat, a hollow membercommunicating with said vat, a conveyer in said member, means foradmltting caps to the conveyer, an opening'in one wall of said member,means for ejecting an excess of caps from the conveyer through saidopening, a drain-extension for the vat, a perforated ard at the lowerend of the conveyer, an of said drain-extension, means for drying thecaps, a discharge for ca s, and means for heating the conveyer whi e intransit to the vat.

8. In a device of the class described, a casing, a vat, a conveyerwithin said casing, means for admitting caps or closures to said casingand conveyer, a lateral discharge opening in for expelling an excess ofcaps opening,

9.. In a device of the class described, a casing, a vat, a conveyerwithin said casing, 'means for admitting caps or closures to said casingand conveyer, a lateral discharge veyer, lateral paraflin passa eatingthe conveyer, means extending over part the casing, and meansthroughsaid opening in the casing, and an ejector opposite said opening forexpelling an excess of 4, f

caps through the opening. r U

10. In a device of the class described, a a vat, a conveyer within saidcasing,

and constructed to travel'through the vat, means for admitting caps orclosures to said casing and conveyer at the lower end of the removingthe caps from the conveyor at the ischerge end of the casing.

11. In a device of the class descrihed, 9.

.-' casing, a vet, a conveyor within said cesingd means for admittingcaps or closures to 8M casing and conveyor; and a resihent memher atthedischargeend of the casing for from the conveyer. 1 12 In a device ofthe class described, an inclined cesing, a horizontal yet, means forheating the Mutants of the vet, an endless conveyer provided witheoncaie-eonvex carriers Within said casing, means for operating saidconveyer, means for admitting caps at the upper edge of thecasing,rmeens on caps, and means for discharging caps at the up r end ofthe casing.

11 testimony whereof I afiix my ture, in presence of two witnesses.

JOSEPH T. BOND. V Witnesses:

D. C. REINOHL, W. PARKER Rnmonn.

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